Rock Stars on the Record: The Albums That Changed Their Lives” (Diversion Books), out now. “If I was good enough, they’d let me stay and be the bartender and deejay for their make-out parties,” says Farrell, who played records from his siblings’ huge record collection, which spanned the Beatles and James Brown to Jamaican singer Millie Small. But it was during sleep-away camp that a counselor introduced Farrell to the album that would give his life purpose: “The Concert for Bangladesh,” a 1971